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FileLoader.java
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/
FileLoader.java
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package cbe.fetching.utilities;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.List;
/**
* Class to load a file via the classpath.
*
* @author mrg
*/
public class FileLoader
{
private static FileLoader instance = null;
private FileLoader() { }
public static FileLoader getInstance()
{
if (instance == null)
instance = new FileLoader();
return instance;
}
public List<String> loadLines(String filename)
{
BufferedReader bufferedReader = null;
InputStream inputStream = null;
InputStreamReader inputStreamReader = null;
List<String> lines = new ArrayList<String>();
try
{
inputStream = getClass().getClassLoader().getResourceAsStream(filename);
inputStreamReader = new InputStreamReader(inputStream);
bufferedReader = new BufferedReader(inputStreamReader);
String line = null;
while ((line = bufferedReader.readLine()) != null)
lines.add(line);
inputStream.close();
inputStreamReader.close();
bufferedReader.close();
}
catch (IOException e)
{
System.err.println("Failed to read and/or close file:");
e.printStackTrace();
}
return lines;
}
}